A 19-year-old woman at 10 weeks has vaginal bleeding. Ultrasound shows a snowstorm pattern and no fetus, and the tissue is removed by suction. What is followed afterward?MedlinePlus Medical Encyclopedia, Hydatidiform mole, Treatment. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
A 24-year-old woman at 34 weeks has preeclampsia. Which new event would change the diagnosis to eclampsia?MedlinePlus Medical Encyclopedia, Eclampsia. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
A 28-year-old woman has a positive pregnancy test with an intrauterine device still in place. Which complication is she at higher risk for?MedlinePlus Medical Encyclopedia, Ectopic pregnancy, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
A 30-year-old woman at 35 weeks who uses cocaine has vaginal bleeding, painful contractions and a tender belly. Which condition fits best?MedlinePlus Medical Encyclopedia, Placenta abruptio, Signs of Placental Abruption. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
A 30-year-old woman lost a pregnancy in the second trimester. In this pregnancy her cervix is softening and opening early. Which procedure stitches it closed?MedlinePlus Medical Encyclopedia, Insufficient cervix, How is it Treated?. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
Show all 45 questions (40 more)
Prenatal care and obstetric complications, continued
A 31-year-old woman at 16 weeks is offered a quadruple screen. What is this blood test looking for?MedlinePlus Medical Encyclopedia, Quadruple screen test, Why the Test is Performed. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
A 32-year-old woman loses a pregnancy at 8 weeks and asks why it happened. What causes most miscarriages?MedlinePlus Medical Encyclopedia, Miscarriage, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
A 33-year-old woman at 35 weeks has preeclampsia. Blood tests show the three findings that give HELLP syndrome its name. Which are they?MedlinePlus Medical Encyclopedia, HELLP syndrome. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
A 36-year-old woman at 30 weeks has sudden vaginal bleeding. Ultrasound shows the placenta covering the opening of the cervix. How will she almost certainly deliver?MedlinePlus Medical Encyclopedia, Placenta previa, Treatment. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
A healthy 27-year-old woman is 20 weeks pregnant with her first child. Between which weeks are most pregnant women given a glucose screening test?MedlinePlus Medical Encyclopedia, Glucose screening tests during pregnancy, Why the Test is Performed. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
A swab late in pregnancy shows that a 29-year-old woman carries group B streptococcus. She feels well. What is done to protect the baby?MedlinePlus Medical Encyclopedia, Group B streptococcus - pregnancy, Treating and Preventing GBS Infections in Pregnant Women. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
An Rh-negative woman is pregnant, and the father is Rh-positive. What keeps her from forming antibodies against Rh-positive blood?MedlinePlus Medical Encyclopedia, Rh incompatibility, Prevention. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
At her first prenatal visit a 25-year-old woman asks how much alcohol is safe to drink while pregnant. What is the answer?MedlinePlus Medical Encyclopedia, Fetal alcohol syndrome, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
Labor, delivery and the puerperium 6
A 23-year-old woman arrives in labor at term with an active outbreak of genital herpes. How should the baby be delivered?MedlinePlus Medical Encyclopedia, Genital herpes, Treatment. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
A 29-year-old woman's labor has begun, but her contractions are too weak to dilate the cervix. Which medicine is given through a vein to strengthen them?MedlinePlus Medical Encyclopedia, Inducing labor, Oxytocin (Pitocin). Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
A newborn is scored 1 minute and 5 minutes after birth. Which of these is one of the five things the Apgar score rates?MedlinePlus Medical Encyclopedia, Apgar score, How the Test is Performed. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
At 37 weeks a 26-year-old woman's baby is still breech. Which procedure tries to turn the baby by pushing on her belly under ultrasound?MedlinePlus Medical Encyclopedia, Breech birth, Turning Your Baby (External Version). Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
Ten days after giving birth, a 27-year-old woman is tearful and anxious. At what point do 'baby blues' that have not faded call for a visit?MedlinePlus Medical Encyclopedia, Postpartum depression, When to Contact a Medical Professional. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
Two days after a C-section that followed a long labor, a 31-year-old woman has a fever, lower abdominal pain and abnormal vaginal discharge. Which infection is most likely?MedlinePlus Medical Encyclopedia, Endometritis, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Pregnancy, Childbirth, & the Puerperium.
Gynecologic infections, neoplasms and the breast 10
A 21-year-old woman has lower belly pain, fever and tenderness of the uterus and tubes. Which organisms cause most pelvic inflammatory disease?MedlinePlus Medical Encyclopedia, Pelvic inflammatory disease (PID), Causes. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 22-year-old woman finds a firm, rubbery, painless breast lump that moves easily under the skin. Which breast tumor is the most common in women her age?MedlinePlus Medical Encyclopedia, Fibroadenoma of the breast, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 26-year-old woman has a thin, greenish-yellow, frothy vaginal discharge, and testing finds Trichomonas vaginalis. Besides her own antibiotic, what else is needed?MedlinePlus Medical Encyclopedia, Trichomoniasis, Treatment. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 28-year-old woman's Pap test shows abnormal cells. Which examination is used when a biopsy is taken to confirm cervical dysplasia?MedlinePlus Medical Encyclopedia, Cervical dysplasia, Exams and Tests. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 30-year-old woman who is breastfeeding has a red, warm, tender area in one breast and a fever. She starts antibiotics. What should she do about feeding?MedlinePlus Medical Encyclopedia, Breast infection, Treatment. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 34-year-old woman with no abnormal Pap results asks what her cervical screening choices are. Which is one of them at her age?MedlinePlus Medical Encyclopedia, Pap test, Why the Test is Performed. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 48-year-old woman has heavy periods from uterine fibroids and asks what will happen to them after menopause. What is expected?MedlinePlus Medical Encyclopedia, Uterine fibroids, Symptoms. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 62-year-old woman has vaginal bleeding eight years after menopause. Which test takes tissue from the lining of the uterus to look for cancer?MedlinePlus Medical Encyclopedia, Endometrial cancer, Exams and Tests. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A healthy 45-year-old woman with no symptoms asks for a CA-125 test to screen for ovarian cancer. What does the evidence say?MedlinePlus Medical Encyclopedia, Ovarian cancer, Exams and Tests. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
After a course of antibiotics, a 35-year-old woman has vaginal itching and a thick, white, chunky discharge. Which organism is most often responsible?MedlinePlus Medical Encyclopedia, Vaginal yeast infection. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
Menstrual disorders, fertility and menopause 9
A 16-year-old girl is much shorter than her classmates, has no breast development and has never had a period. Which chromosome finding explains Turner syndrome?MedlinePlus Medical Encyclopedia, Turner syndrome, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 22-year-old woman had unprotected intercourse four days ago. Until how long afterward can emergency contraception still be used?MedlinePlus Medical Encyclopedia, Emergency contraception, Information. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 24-year-old woman has irregular periods, weight gain and extra hair on her face and chest. Which two problems drive the condition once called polycystic ovary syndrome?MedlinePlus Medical Encyclopedia, Polyendocrine metabolic ovarian syndrome, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 29-year-old woman has pelvic pain before each period and has not been able to conceive. Which procedure helps diagnose endometriosis and can also remove the growths?MedlinePlus Medical Encyclopedia, Endometriosis, Treatment. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 30-year-old woman whose cycles were regular has had no period for 6 months. What most commonly causes secondary amenorrhea?MedlinePlus Medical Encyclopedia, Absent menstrual periods - secondary, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 34-year-old woman has severe low mood, irritability and tension in the week before each period, which lift soon after bleeding starts. Which medicine is most often the first option?MedlinePlus Medical Encyclopedia, Premenstrual dysphoric disorder, Treatment. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 36-year-old woman asks to start combination birth control pills. Which part of her history raises her risk of blood clots on the pill?MedlinePlus Medical Encyclopedia, Birth control pills, Information. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 37-year-old woman and her partner have been trying to conceive. At her age, after how long without success should testing begin?MedlinePlus Medical Encyclopedia, Infertility, Exams and Tests. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
A 51-year-old woman had her last period 12 months ago. When is menopause complete?MedlinePlus Medical Encyclopedia, Menopause, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Female Reproductive System & Breast.
Endocrine, other systems, well care and social sciences 7
A 19-year-old woman who left a tampon in for a long time has a high fever, low blood pressure and a widespread red rash like a sunburn. What causes this syndrome?MedlinePlus Medical Encyclopedia, Toxic shock syndrome, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Other Systems, including Multisystem Processes & Disorders.
A 25-year-old woman with no symptoms comes for her first prenatal visit. Which infection should every pregnant woman in prenatal care be screened for, to keep it from passing to the newborn?MedlinePlus Medical Encyclopedia, Syphilis, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Other Systems, including Multisystem Processes & Disorders.
A 29-year-old woman who is not pregnant or nursing has a milky nipple discharge and irregular periods. A pituitary tumor is making too much of which hormone?MedlinePlus Medical Encyclopedia, Prolactinoma, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Endocrine System.
A 33-year-old woman bled severely during childbirth. Weeks later her breast milk has never come in. Damage to which gland explains Sheehan syndrome?MedlinePlus Medical Encyclopedia, Sheehan syndrome, Causes. Outline: NBME Obstetrics & Gynecology subject exam, Endocrine System.
A 46-year-old woman who has had three vaginal births leaks urine when she coughs, sneezes or lifts something heavy. Which treatment strengthens the muscles that support the bladder?MedlinePlus Medical Encyclopedia, Stress urinary incontinence. Outline: NBME Obstetrics & Gynecology subject exam, Other Systems, including Multisystem Processes & Disorders.
At a prenatal visit a 26-year-old woman says her partner controls her money and keeps her from seeing family and friends. What do these behaviors signal?MedlinePlus Medical Encyclopedia, Domestic violence, Signs of Domestic Violence. Outline: NBME Obstetrics & Gynecology subject exam, Social Sciences.
The mother of an 11-year-old girl asks about the HPV vaccine at a well visit. At which ages is it given in 2 doses?MedlinePlus Medical Encyclopedia, HPV vaccine, Information. Outline: NBME Obstetrics & Gynecology subject exam, General Principles, Including Care of the Well Patient.
How this list was compiled: Our own questions, written to the content outline of the Obstetrics & Gynecology Subject Exam that NBME publishes (https://www.nbme.org/institutions/assess-learn/subject-exams/clinical-science/obstetrics-and-gynecology/, read 2026-10-12). Systems and their ranges: General Principles, Including Normal Age-Related Findings and Care of the Well Patient 1-5%, Pregnancy, Childbirth, & the Puerperium 40-45%, Female Reproductive System & Breast 40-45%, Endocrine System 1-5%, Other Systems, including Multisystem Processes & Disorders 5-10%, Social Sciences 1-5%. The bank holds 1, 19, 19, 2, 3 and 1 questions in that order, 45 in all. Every fact was read on 2026-10-12 in the MedlinePlus Medical Encyclopedia (National Library of Medicine) article the question names. Licence: Questions, choices and explanations are original work of this site.
How it works
This free OBGYN shelf exam practice test has 45 short patient cases of our own for the NBME Obstetrics & Gynecology Subject Exam. It is unofficial, not affiliated with or endorsed by NBME, the National Board of Medical Examiners.
Read the full guide
What the exam covers
NBME's content outline for the Obstetrics & Gynecology Subject Exam, read at nbme.org on October 12, 2026, gives pregnancy, childbirth and the puerperium 40 to 45% and the female reproductive system and breast another 40 to 45%. The 45 cases follow it: 19 and 19, with 7 on endocrine, other systems, well care and social sciences.
An OBGYN shelf exam study guide in questions
Worked as OBGYN shelf exam study guide questions, each case ends in one decision, and its explanation names the MedlinePlus article and section that settles it.
Timing
Timed practice on this page asks 40 questions in 60 minutes, the pace of the real exam's 110 in 2 hours 45 minutes.
Questions and answers
Is this an NBME OBGYN shelf practice exam?
No. NBME offers its own self-assessments, the Clinical Science Mastery Series, and posts sample items with the content outline. This is a separate free bank: none of its cases repeats or rewords an NBME item.
How many questions are on the OBGYN shelf exam?
110, in 2 hours 45 minutes, by NBME's Subject Examination Timing Chart, dated July 2021 and still linked from its examinee page on October 12, 2026. Web exams add a 15-minute tutorial.
What should an OB GYN shelf exam study guide cover?
The outline's two large systems first: obstetric complications, labor and delivery, the puerperium and the newborn; then menstrual and endocrine disorders, infections, neoplasms, fertility, menopause and the breast. Diagnosis is 45 to 50% of the exam.